i think your problem is the catalyst 3.2 drivers... if you're using them try switching back to the 3.1's... they seem to beable to run everything just perfectly. also check out
www.rage3d.com/board for all your ati needs. (there are more ati guru's there than you can imagine.

) not saying your question isn't good enough for here or anything. just that it's easier to find an answer there quickly.